package com.cap.bts.framework.log;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 * 
 */
public class HttpServletRequestReplacedFilter implements Filter {

	@Override
	public void destroy() {
		
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		ServletRequest requestWrapper = null;  
        if(request instanceof HttpServletRequest) {  
            requestWrapper = new MAPIHttpServletRequestWrapper((HttpServletRequest) request);  
        } 
        if(requestWrapper == null) {  
            chain.doFilter(request, response);  
        } else {  
            chain.doFilter(requestWrapper, response);  

        }  
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		
	}

}